package com.lwt.monstermall.member.config;

import feign.RequestInterceptor;
import feign.RequestTemplate;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;

/**
 * @program: monstermall
 * @author: 大怪
 * @create: 2022-03-01 14:52
 */
@Configuration
public class FeignConfig {

    @Bean
    public RequestInterceptor requestInterceptor(){
       return new RequestInterceptor(){
           @Override
           public void apply(RequestTemplate requestTemplate) {
               //1.RequestContextHolder拿到刚进来的这个请求
               ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
               if (attributes !=null){
                   //老请求
                   HttpServletRequest request = attributes.getRequest();
                   //同步请求头数据
                   String cookie = request.getHeader("Cookie");
                   //给新请求同步了老请求的cookie
                   requestTemplate.header("Cookie",cookie);
               }
           }
       };
    }
}
